diff --git a/.github/workflows/build-main.yml b/.github/workflows/build-main.yml
index 1eaea627b..01bb0ec2a 100644
--- a/.github/workflows/build-main.yml
+++ b/.github/workflows/build-main.yml
@@ -42,7 +42,13 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install .[test]
+      - uses: actions/cache@v2
+        id: cache
+        with:
+          path: aicsimageio/tests/resources
+          key: ${{ hashFiles('scripts/TEST_RESOURCES_HASH.txt') }}
       - name: Download Test Resources
+        if: steps.cache.outputs.cache-hit != 'true'
         run: |
           python scripts/download_test_resources.py --debug
       - name: Run tests with Tox
diff --git a/.github/workflows/test-and-lint.yml b/.github/workflows/test-and-lint.yml
index aeea6befc..dd73b5fa4 100644
--- a/.github/workflows/test-and-lint.yml
+++ b/.github/workflows/test-and-lint.yml
@@ -28,7 +28,13 @@ jobs:
         run: |
           python -m pip install --upgrade pip
           pip install .[test]
+      - uses: actions/cache@v2
+        id: cache
+        with:
+          path: aicsimageio/tests/resources
+          key: ${{ hashFiles('scripts/TEST_RESOURCES_HASH.txt') }}
       - name: Download Test Resources
+        if: steps.cache.outputs.cache-hit != 'true'
         run: |
           python scripts/download_test_resources.py --debug
       - name: Run tests with Tox